Home / 117,708.94-162,441.48-63,997.58

Finding the Fourth Proportional to 117,708.94, 162,441.48 and 63,997.58

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Solution

The fourth proportional to 117,708.94, 162,441.48 and 63,997.58 is: 88,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,708.94 : 162,441.48 = 63,997.58 : x
  2. Step 2: Convert to fraction form
    117,708.94/162,441.48 = 63,997.58/x
  3. Step 3: Cross multiply
    117,708.94x = 162,441.48 × 63,997.58
  4. Step 4: Simplify right side
    117,708.94x = 10,395,861,611.62
  5. Step 5: Solve for x
    x = 10,395,861,611.62/117,708.94
  6. Step 6: Final answer
    x = 88,318.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.